Chen Dabao accidentally traveled to Nanluogu Lane in Beijing in 1960. At that time, supplies were extremely scarce and his family was so poor that they could not even get enough coarse grains to feed themselves. In this desperate situation, he accidentally awakened a secret exclusive space of 500 square meters, and unlocked the secret opportunity of the "Endless Thatched Cottage" deep in the space. This sudden adventure became a key turning point for him to reverse his destiny and save his family.